Add Windows service host and system tray controller

2026-05-28 13:30:27 +02:00
parent 314311d8fc
commit 114ddd80d6
13 changed files with 803 additions and 2 deletions
--- a/install_backend_service.ps1
+++ b/install_backend_service.ps1
@@ -0,0 +1,112 @@
+[CmdletBinding(SupportsShouldProcess = $true)]
+param(
+    [string]$ServiceName = "ScreenJobBackend",
+    [string]$DisplayName = "ScreenJob Backend",
+    [string]$Description = "Runs the ScreenJob backend (start_backend.ps1) as a Windows service.",
+    [ValidateSet("Automatic", "Manual", "Disabled")]
+    [string]$StartupType = "Automatic",
+    [switch]$DelayedAutoStart,
+    [switch]$ForceReinstall,
+    [switch]$StartAfterInstall
+)
+
+Set-StrictMode -Version Latest
+$ErrorActionPreference = "Stop"
+
+function Test-IsAdministrator {
+    $identity = [Security.Principal.WindowsIdentity]::GetCurrent()
+    $principal = New-Object Security.Principal.WindowsPrincipal($identity)
+    return $principal.IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)
+}
+
+if (-not (Test-IsAdministrator)) {
+    throw "Run this script from an elevated PowerShell session (Run as Administrator)."
+}
+
+$scriptDir = Split-Path -Parent $PSCommandPath
+$backendScript = Join-Path $scriptDir "start_backend.ps1"
+if (-not (Test-Path -LiteralPath $backendScript)) {
+    throw "Backend launcher script not found: $backendScript"
+}
+
+$projectFile = Join-Path $scriptDir "service_host\ScreenJob.WindowsServiceHost\ScreenJob.WindowsServiceHost.csproj"
+if (-not (Test-Path -LiteralPath $projectFile)) {
+    throw "Windows service host project not found: $projectFile"
+}
+
+$dotnetCmd = Get-Command dotnet -ErrorAction SilentlyContinue
+if ($null -eq $dotnetCmd) {
+    throw "dotnet SDK was not found in PATH. Install .NET SDK 10+ and retry."
+}
+
+$publishDir = Join-Path $scriptDir "service_host\publish"
+$serviceExe = Join-Path $publishDir "ScreenJob.WindowsServiceHost.exe"
+$logDir = Join-Path $scriptDir "screenjob_runs\service"
+
+if ($PSCmdlet.ShouldProcess($projectFile, "Publish Windows service host")) {
+    & $dotnetCmd.Source publish `
+        $projectFile `
+        -c Release `
+        -r win-x64 `
+        --self-contained false `
+        -p:PublishSingleFile=true `
+        -o $publishDir
+
+    if ($LASTEXITCODE -ne 0) {
+        throw "dotnet publish failed with exit code $LASTEXITCODE."
+    }
+}
+
+if (-not (Test-Path -LiteralPath $serviceExe)) {
+    throw "Published service executable not found: $serviceExe"
+}
+
+$binaryPath = "`"$serviceExe`" --backend-script `"$backendScript`" --working-dir `"$scriptDir`" --log-dir `"$logDir`""
+
+$existingService = Get-Service -Name $ServiceName -ErrorAction SilentlyContinue
+if ($null -ne $existingService) {
+    if (-not $ForceReinstall) {
+        throw "Service '$ServiceName' already exists. Re-run with -ForceReinstall to replace it."
+    }
+
+    if ($PSCmdlet.ShouldProcess($ServiceName, "Remove existing service")) {
+        if ($existingService.Status -ne "Stopped") {
+            Stop-Service -Name $ServiceName -Force -ErrorAction Stop
+        }
+
+        & sc.exe delete $ServiceName | Out-Null
+        if ($LASTEXITCODE -ne 0) {
+            throw "Failed to delete existing service '$ServiceName' (sc.exe exit code $LASTEXITCODE)."
+        }
+    }
+}
+
+if ($PSCmdlet.ShouldProcess($ServiceName, "Create service")) {
+    New-Service `
+        -Name $ServiceName `
+        -BinaryPathName $binaryPath `
+        -DisplayName $DisplayName `
+        -Description $Description `
+        -StartupType $StartupType
+
+    if ($StartupType -eq "Automatic" -and $DelayedAutoStart) {
+        & sc.exe config $ServiceName start= delayed-auto | Out-Null
+        if ($LASTEXITCODE -ne 0) {
+            throw "Failed to enable delayed auto-start for '$ServiceName' (sc.exe exit code $LASTEXITCODE)."
+        }
+    }
+
+    # Restart on first/second/subsequent failure after 5 seconds.
+    & sc.exe failure $ServiceName reset= 86400 actions= restart/5000/restart/5000/restart/5000 | Out-Null
+    if ($LASTEXITCODE -ne 0) {
+        throw "Failed to configure failure actions for '$ServiceName' (sc.exe exit code $LASTEXITCODE)."
+    }
+
+    if ($StartAfterInstall) {
+        Start-Service -Name $ServiceName -ErrorAction Stop
+    }
+}
+
+Write-Host "Service '$ServiceName' installed successfully." -ForegroundColor Green
+Write-Host "Check status with: Get-Service -Name $ServiceName"
+Write-Host "View logs in: $logDir"